CN106930139A - The preparation technology of environmentally friendly liner board - Google Patents
The preparation technology of environmentally friendly liner board Download PDFInfo
- Publication number
- CN106930139A CN106930139A CN201710008222.1A CN201710008222A CN106930139A CN 106930139 A CN106930139 A CN 106930139A CN 201710008222 A CN201710008222 A CN 201710008222A CN 106930139 A CN106930139 A CN 106930139A
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- CN
- China
- Prior art keywords
- slurry
- sections
- waste paper
- paper
- fine
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Classifications
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H11/00—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
- D21H11/14—Secondary fibres
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C5/00—Other processes for obtaining cellulose, e.g. cooking cotton linters ; Processes characterised by the choice of cellulose-containing starting materials
- D21C5/02—Working-up waste paper
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/64—Paper recycling
Abstract
A kind of preparation technology of environmentally friendly liner board, in production procedure, first by repulping of waste paper into paper pulp, paper pulp draws short stock through the good slurry of scalping screening system into scalping screen system；The slurry that scalping sieve comes is carried out into secondary grading sieve again；Draw middle fibre stuff and long stuff, short stock, long stuff, middle fibre stuff after screening are respectively used to papermaking, the preparation technology of environmental protection liner board of the invention is recycled by waste paper, the quality of the liner board for being produced is preferable, effectively reduce enterprise's papermaking cost, economize on resources, reduce the destruction to environment.
Description
Technical field
The present invention relates to a kind of paper technology, more particularly to a kind of preparation technology of environmentally friendly liner board.
Background technology
Liner board is a kind of common package paper, is the important component of wrapping paper.In recent years, environmental protection and energy saving
It is that the inevitable topic of enterprise development, especially enterprise's long-term sustainable must not develop the problem for thinking little of, is
The call of respective country energy-saving and emission-reduction, preserves the ecological environment, and realizes sustainable development, as far as possible using useless in paper-making process
Paper paper pulp can significantly reduce entreprise cost as products material, reduce the destruction to environment.However, in existing technique, adopting
The technique for carrying out papermaking with waste paper still suffers from many defects, and the quality of the liner board for being produced cannot be guaranteed.
The content of the invention
Based on this, it is necessary to for deficiency of the prior art, there is provided the preparation technology of environmentally friendly liner board.
A kind of preparation technology of environmentally friendly liner board, comprises the following steps：
The mixed waste paper of A, OCC line is sent to hydrabrusher size degradation into paper pulp through chain scraper conveyor, while being drawn by twisted rope
Go out rubbish, and the rubbish and slurry containing heavy seeds are pulled away with car；Good slurry unloads slurry through two sections of highly concentrated desanding systems entrance
Tower, then filters out slurry and impurity containing heavy seeds through two sections of scalpings, and slurry is divided into flotation smoothing machine, header box and impurity
Disembark after treatment, impurity is seen off between being discharged to screenings with car, the slurry after discharge slurry is sieved into scalping；Sieved through scalping
Addition in pulp go out chopped fiber and slurry, slurry is into the treatment of secondary grading sieve；
The mixed waste paper of B, AOCC line is sent to hydrabrusher size degradation into paper pulp through chain scraper conveyor, while being drawn by twisted rope
Go out rubbish, and the rubbish and slurry containing heavy seeds are pulled away with car；Good slurry unloads slurry through one section of highly concentrated desanding system entrance
Tower, then filters out slurry and impurity containing heavy seeds through one section of scalping, and slurry enters the treatment of scalping sieve, filters out
Chopped fiber and slurry, slurry are sieved into secondary grading；The addition in pulp sieved through secondary grading is middle fiber and long fibre；
After C, the chopped fiber remove the gred through four sections of heavy desanders and two sections of lightweight desanders, through too short fine two sections of lightweights
The good slurry of desander is concentrated into polydisc thickener, then through the concentration of screw extrusion to 30%, helical feed to heat dispersion machine
Heat partition is carried out with the sticky matter such as the sicker in dispersed paste, ink, resin, cured, through short fine transition stock tank, short fine storage slurry
Tower goes the paper machine to carry out papermaking；
After D, the middle fibre stuff remove the gred through four sections of heavy desanders and two sections of lightweight desanders, removed by two sections of lightweights
The good slurry of sand device is concentrated into polydisc thickener, and then through the concentration of screw extrusion to 30%, helical feed is entered to heat dispersion machine
Row heat partition is with the sticky matter such as the sicker in dispersed paste, ink, resin, cured；The slurry is sent to middle fine transition stock tank,
Middle fine pulp storage tower is stored to, fibre is kowtowed after-bay and goes the paper machine to carry out papermaking in most passing through afterwards；
After E, the long stuff remove the gred through fine five sections low dense desander systems long, through long fine five sections of heavy desanders
Good slurry carry out fine screen choosing into three sections of smart screening systems, sludge row's trench is concentrated by three sections of good slurries of fine screen into polydisc
Machine is concentrated, and then through the concentration of screw extrusion to 30%, helical feed to heat dispersion machine carries out heat partition with dispersed paste
The sticky matter such as sicker, ink, resin, cured；The slurry is sent to fibre transition stock tank long, is stored to fibre pulp storage tower long, finally
Kowtowing after-bay through fibre long goes the paper machine to carry out papermaking.
Further, the waste paper includes American waste paper, Hong Kong waste paper and Chinese waste paper.
Further, the part by weight of the American waste paper, Hong Kong waste paper and Chinese waste paper is (25%~35%)：
(10%~20%)：(50%~60%).
Further, the part by weight of the American waste paper, Hong Kong waste paper and Chinese waste paper is 30%：15%：55%.
The beneficial effect of the preparation technology of environmental protection liner board of the invention is：By by repulping of waste paper into paper pulp, starching
Material draws short stock through the good slurry of scalping screening system into scalping screen system；The slurry that scalping sieve comes is entered again
Row secondary grading is sieved；Middle fibre stuff and long stuff are drawn, short stock, long stuff, middle fiber after screening
Slurry is respectively used to papermaking, and the quality of the liner board for being produced is preferable, the preparation of present invention environmental protection liner board
Technique is recycled by waste paper, effectively reduces papermaking cost, is economized on resources.
Brief description of the drawings
Fig. 1 is the flow chart of the preparation technology of environmental protection liner board of the invention.
Specific embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only used to explain the present invention, not
For limiting the present invention.
As shown in figure 1, the present invention provides the preparation technology of environmentally friendly liner board, for waste paper to be prepared into vermicelli boxboard
Paper, waste paper includes American waste paper, Hong Kong waste paper and Chinese waste paper, the weight of the American waste paper, Hong Kong waste paper and Chinese waste paper
Ratio is (25%~35%)：(10%~20%)：(50%~60%), it is preferable that the American waste paper, Hong Kong waste paper and in
The part by weight of state's waste paper is 30%：15%：55%, the preparation technology of environmentally friendly liner board it comprises the following steps：
The mixed waste paper of A, OCC line is sent to hydrabrusher size degradation into paper pulp through chain scraper conveyor, while being drawn by twisted rope
Go out rubbish, and the rubbish and slurry containing heavy seeds are pulled away with car；Good slurry unloads slurry through two sections of highly concentrated desanding systems entrance
Tower, then filters out slurry and impurity containing heavy seeds through two sections of scalpings, and slurry is divided into flotation smoothing machine, header box and impurity
Disembark after treatment, impurity is seen off between being discharged to screenings with car, the slurry after discharge slurry is sieved into scalping；Sieved through scalping
Addition in pulp go out chopped fiber and slurry, slurry is into the treatment of secondary grading sieve；
The mixed waste paper of B, AOCC line is sent to hydrabrusher size degradation into paper pulp through chain scraper conveyor, while being drawn by twisted rope
Go out rubbish, and the rubbish and slurry containing heavy seeds are pulled away with car；Good slurry unloads slurry through one section of highly concentrated desanding system entrance
Tower, then filters out slurry and impurity containing heavy seeds through one section of scalping, and slurry enters the treatment of scalping sieve, filters out
Chopped fiber and slurry, slurry are sieved into secondary grading；The addition in pulp sieved through secondary grading is middle fiber and long fibre；
After C, the chopped fiber remove the gred through four sections of heavy desanders and two sections of lightweight desanders, removed through too short fine two sections of lightweights
The good slurry of sand device is concentrated into polydisc thickener, and then through the concentration of screw extrusion to 30%, helical feed is entered to heat dispersion machine
Row heat partition with the sticky matter such as the sicker in dispersed paste, ink, resin, cured, through short fine transition stock tank, short fine pulp storage tower
Removing paper machine carries out papermaking.
After D, the middle fibre stuff remove the gred through four sections of heavy desanders and two sections of lightweight desanders, removed by two sections of lightweights
The good slurry of sand device is concentrated into polydisc thickener, and then through the concentration of screw extrusion to 30%, helical feed is entered to heat dispersion machine
Row heat partition is with the sticky matter such as the sicker in dispersed paste, ink, resin, cured；The slurry is sent to middle fine transition slurry
Pond, is stored to middle fine pulp storage tower, and fibre is kowtowed after-bay and goes the paper machine to carry out papermaking in most passing through afterwards；
After E, the long stuff remove the gred through fine five sections low dense desander systems long, through long fine five sections of heavy desanders
Good slurry carry out fine screen choosing into three sections of smart screening systems, sludge row's trench is concentrated by three sections of good slurries of fine screen into polydisc
Machine is concentrated, and then through the concentration of screw extrusion to 30%, helical feed to heat dispersion machine carries out heat partition with dispersed paste
The sticky matter such as sicker, ink, resin, cured；The slurry is sent to fibre transition stock tank long, is stored to fibre pulp storage tower long, finally
Kowtowing after-bay through fibre long goes the paper machine to carry out papermaking.
The beneficial effect of the preparation technology of environmental protection liner board of the invention is：By by repulping of waste paper into paper pulp, starching
Material draws short stock through the good slurry of scalping screening system into scalping screen system；The slurry that scalping sieve comes is entered again
Row secondary grading is sieved；Middle fibre stuff and long stuff are drawn, short stock, long stuff, middle fiber after screening
Slurry is respectively used to papermaking, and the quality of the liner board for being produced is preferable, the preparation of present invention environmental protection liner board
Technique is recycled by waste paper, effectively reduces enterprise's papermaking cost, is economized on resources, and reduces the destruction to environment.
Embodiment described above only expresses several embodiments of the invention, and its description is more specific and detailed, but simultaneously
Therefore the limitation to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that for one of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to guarantor of the invention
Shield scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (4)
1. a kind of preparation technology of environmentally friendly liner board, it is characterised in that comprise the following steps：
The mixed waste paper of A, OCC line is sent to hydrabrusher size degradation into paper pulp through chain scraper conveyor, while pulling out rubbish by twisted rope
Rubbish, and pull away the rubbish and slurry containing heavy seeds with car；It is good to starch through two sections of highly concentrated desanding systems into slurry tower is unloaded, so
Slurry and impurity containing heavy seeds are filtered out by two sections of scalpings, slurry enters flotation smoothing machine, header box and impurity separator
After treatment, impurity is seen off between being discharged to screenings with car, and the slurry after discharge slurry is sieved into scalping；Through the slurry that scalping is sieved
Material screen selects chopped fiber and slurry, and slurry is processed into secondary grading sieve；
The mixed waste paper of B, AOCC line is sent to hydrabrusher size degradation into paper pulp through chain scraper conveyor, while pulling out rubbish by twisted rope
Rubbish, and pull away the rubbish and slurry containing heavy seeds with car；It is good to starch through one section of highly concentrated desanding system into slurry tower is unloaded, so
Slurry and impurity containing heavy seeds are filtered out by one section of scalping, slurry enters the treatment of scalping sieve, filters out short fibre
Peacekeeping slurry, slurry is sieved into secondary grading；The addition in pulp sieved through secondary grading is middle fiber and long fibre；
After C, the chopped fiber remove the gred through four sections of heavy desanders and two sections of lightweight desanders, through too short fine two sections of lightweight desanders
Good slurry into polydisc thickener concentrate, then through the concentration of screw extrusion to 30%, helical feed to heat dispersion machine carries out heat
Dispersion goes the paper machine to carry out papermaking with the sticky matter in dispersed paste through short fine transition stock tank, short fine pulp storage tower；
After D, the middle fibre stuff remove the gred through four sections of heavy desanders and two sections of lightweight desanders, by two sections of lightweight desanders
Good slurry into polydisc thickener concentrate, then through the concentration of screw extrusion to 30%, helical feed to heat dispersion machine carries out heat
Dispersion is with the sticky matter in dispersed paste；The slurry is sent to middle fine transition stock tank, middle fine pulp storage tower is stored to, in most passing through afterwards
Fibre is kowtowed after-bay and goes the paper machine to carry out papermaking；
After E, the long stuff remove the gred through fine five sections low dense desander systems long, through the good of long fine five sections of heavy desanders
Slurry carries out fine screen choosing into three sections of smart screening systems, and sludge row's trench enters polydisc thickener dense by three sections of good slurries of fine screen
Contracting, then through the concentration of screw extrusion to 30%, helical feed to heat dispersion machine carries out heat partition with gluing in dispersed paste
Material；The slurry is sent to fibre transition stock tank long, is stored to fibre pulp storage tower long, most kowtows after-bay through fibre long afterwards and goes paper machine to be made
Paper.
2. the preparation technology of environmental protection liner board as claimed in claim 1, it is characterised in that：The waste paper is useless including the U.S.
Paper, Hong Kong waste paper and Chinese waste paper.
3. the preparation technology of environmental protection liner board as claimed in claim 2, it is characterised in that：The American waste paper, Hong Kong
The part by weight of waste paper and Chinese waste paper is (25%~35%)：(10%~20%)：(50%~60%).
4. the preparation technology of environmental protection liner board as claimed in claim 3, it is characterised in that：The American waste paper, Hong Kong
The part by weight of waste paper and Chinese waste paper is 30%：15%：55%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710008222.1A CN106930139B (en) | 2017-01-05 | 2017-01-05 | The preparation process of environmentally friendly liner board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710008222.1A CN106930139B (en) | 2017-01-05 | 2017-01-05 | The preparation process of environmentally friendly liner board |
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| Publication Number | Publication Date |
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| CN106930139A true CN106930139A (en) | 2017-07-07 |
| CN106930139B CN106930139B (en) | 2019-02-12 |
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| CN201710008222.1A Active CN106930139B (en) | 2017-01-05 | 2017-01-05 | The preparation process of environmentally friendly liner board |
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Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107905018A (en) * | 2017-11-15 | 2018-04-13 | 东莞顺裕纸业有限公司 | A kind of process for cleanly preparing using litter decoration production corrugating medium |
| CN108103828A (en) * | 2017-11-03 | 2018-06-01 | 江苏理文造纸有限公司 | A kind of production technology of liner board |
| CN108130789A (en) * | 2017-12-30 | 2018-06-08 | 重庆理文造纸有限公司 | A kind of production technology for preventing the quick-fried line of boxboard |
| CN108252137A (en) * | 2017-12-08 | 2018-07-06 | 东莞建晖纸业有限公司 | The preparation process of high resistance to broken environmentally friendly kraft paperboard |
| CN108316033A (en) * | 2018-03-23 | 2018-07-24 | 玖龙纸业（太仓）有限公司 | A kind of pulping system for high humidity waste and old boxboard by force |
| CN108468244A (en) * | 2018-06-11 | 2018-08-31 | 玖龙纸业（太仓）有限公司 | A kind of purification system and its purification method of raising face layer paper pulp cleanliness factor |
| CN108978327A (en) * | 2018-08-01 | 2018-12-11 | 联盛纸业（龙海）有限公司 | A kind of production method of wood chip defibrator process slurry substitution OCC slurry production corrugated paper |
| CN109056406A (en) * | 2018-08-10 | 2018-12-21 | 南京林业大学 | High-grade T cardboard and its production method |
| CN109594402A (en) * | 2018-12-28 | 2019-04-09 | 江苏理文造纸有限公司 | A method of kraft liner cardboard paper is prepared using wastewater sludge |
| CN109853298A (en) * | 2018-11-28 | 2019-06-07 | 湖北荣成再生科技有限公司 | A kind of high-strength vermicelli ox card boxboard and preparation method thereof |
| CN110093807A (en) * | 2019-06-13 | 2019-08-06 | 中国轻工业长沙工程有限公司 | The flexible waste paper pulp-making technique of full waste paper production boxboard |
| CN110093802A (en) * | 2019-06-13 | 2019-08-06 | 中国轻工业长沙工程有限公司 | A kind of waste paper pulp-making fiber classification and fine-screening system |
| CN110219200A (en) * | 2019-04-19 | 2019-09-10 | 东莞建晖纸业有限公司 | Novel coating coated duplex board with grey back center stock preparation process |
| CN110258164A (en) * | 2019-07-17 | 2019-09-20 | 山鹰国际控股股份公司 | A kind of slagging-off new process |
| CN111945472A (en) * | 2020-08-10 | 2020-11-17 | 玖龙纸业(天津)有限公司 | Novel regenerated ox card and preparation method thereof |
| CN113481751A (en) * | 2021-06-28 | 2021-10-08 | 联盛纸业（龙海）有限公司 | Low-concentration heavy-weight slag removal method for OCC (optical cement) slurry of corrugated paper |
| CN113502678A (en) * | 2021-06-28 | 2021-10-15 | 联盛纸业（龙海）有限公司 | Low-concentration heavy-weight deslagging method for craft paper OCC slurry |
| CN114059377A (en) * | 2021-11-23 | 2022-02-18 | 山鹰国际控股股份公司 | Method for producing cardboard paper by using waste paper pulp |
| CN114293392A (en) * | 2021-12-31 | 2022-04-08 | 东莞理文造纸厂有限公司 | Production process of high-strength environment-friendly fine dried noodle cardboard paper |
| CN116289327A (en) * | 2023-02-02 | 2023-06-23 | 安徽林平循环发展股份有限公司 | Preparation method of regenerated corrugated paper |
| CN114293392B (en) * | 2021-12-31 | 2024-04-19 | 东莞理文造纸厂有限公司 | Production process of high-strength environment-friendly fine dried noodle cardboard paper |
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| US5002633A (en) * | 1988-10-03 | 1991-03-26 | Prime Fiber Corporation | Conversion of pulp and paper mill waste solids to papermaking pulp |
| CN102041750A (en) * | 2010-12-31 | 2011-05-04 | 东莞理文造纸厂有限公司 | Manufacture process of all waste paper dried noodle cardboard paper |
| CN105586797A (en) * | 2014-10-20 | 2016-05-18 | 刘振宇 | Wastepaper recycling regeneration paperboard process |
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Cited By (26)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108103828A (en) * | 2017-11-03 | 2018-06-01 | 江苏理文造纸有限公司 | A kind of production technology of liner board |
| CN107905018A (en) * | 2017-11-15 | 2018-04-13 | 东莞顺裕纸业有限公司 | A kind of process for cleanly preparing using litter decoration production corrugating medium |
| CN107905018B (en) * | 2017-11-15 | 2021-01-22 | 东莞顺裕纸业有限公司 | Clean production process for producing corrugated medium paper by using waste paper box |
| CN108252137A (en) * | 2017-12-08 | 2018-07-06 | 东莞建晖纸业有限公司 | The preparation process of high resistance to broken environmentally friendly kraft paperboard |
| CN108130789A (en) * | 2017-12-30 | 2018-06-08 | 重庆理文造纸有限公司 | A kind of production technology for preventing the quick-fried line of boxboard |
| CN108130789B (en) * | 2017-12-30 | 2023-09-26 | 重庆理文造纸有限公司 | Production process for preventing cardboard paper from bursting |
| CN108316033A (en) * | 2018-03-23 | 2018-07-24 | 玖龙纸业（太仓）有限公司 | A kind of pulping system for high humidity waste and old boxboard by force |
| CN108468244A (en) * | 2018-06-11 | 2018-08-31 | 玖龙纸业（太仓）有限公司 | A kind of purification system and its purification method of raising face layer paper pulp cleanliness factor |
| CN108978327A (en) * | 2018-08-01 | 2018-12-11 | 联盛纸业（龙海）有限公司 | A kind of production method of wood chip defibrator process slurry substitution OCC slurry production corrugated paper |
| CN109056406A (en) * | 2018-08-10 | 2018-12-21 | 南京林业大学 | High-grade T cardboard and its production method |
| CN109853298A (en) * | 2018-11-28 | 2019-06-07 | 湖北荣成再生科技有限公司 | A kind of high-strength vermicelli ox card boxboard and preparation method thereof |
| CN109594402A (en) * | 2018-12-28 | 2019-04-09 | 江苏理文造纸有限公司 | A method of kraft liner cardboard paper is prepared using wastewater sludge |
| CN110219200A (en) * | 2019-04-19 | 2019-09-10 | 东莞建晖纸业有限公司 | Novel coating coated duplex board with grey back center stock preparation process |
| CN110093802A (en) * | 2019-06-13 | 2019-08-06 | 中国轻工业长沙工程有限公司 | A kind of waste paper pulp-making fiber classification and fine-screening system |
| CN110093807A (en) * | 2019-06-13 | 2019-08-06 | 中国轻工业长沙工程有限公司 | The flexible waste paper pulp-making technique of full waste paper production boxboard |
| CN110093807B (en) * | 2019-06-13 | 2021-10-08 | 中国轻工业长沙工程有限公司 | Flexible waste paper pulping process for producing cardboard paper by using full waste paper |
| CN110258164A (en) * | 2019-07-17 | 2019-09-20 | 山鹰国际控股股份公司 | A kind of slagging-off new process |
| CN110258164B (en) * | 2019-07-17 | 2021-04-20 | 山鹰国际控股股份公司 | Novel deslagging process |
| CN111945472A (en) * | 2020-08-10 | 2020-11-17 | 玖龙纸业(天津)有限公司 | Novel regenerated ox card and preparation method thereof |
| CN113502678A (en) * | 2021-06-28 | 2021-10-15 | 联盛纸业（龙海）有限公司 | Low-concentration heavy-weight deslagging method for craft paper OCC slurry |
| CN113502678B (en) * | 2021-06-28 | 2023-04-07 | 联盛纸业（龙海）有限公司 | Low-concentration heavy-weight deslagging method for kraft cardboard OCC slurry |
| CN113481751A (en) * | 2021-06-28 | 2021-10-08 | 联盛纸业（龙海）有限公司 | Low-concentration heavy-weight slag removal method for OCC (optical cement) slurry of corrugated paper |
| CN114059377A (en) * | 2021-11-23 | 2022-02-18 | 山鹰国际控股股份公司 | Method for producing cardboard paper by using waste paper pulp |
| CN114293392A (en) * | 2021-12-31 | 2022-04-08 | 东莞理文造纸厂有限公司 | Production process of high-strength environment-friendly fine dried noodle cardboard paper |
| CN114293392B (en) * | 2021-12-31 | 2024-04-19 | 东莞理文造纸厂有限公司 | Production process of high-strength environment-friendly fine dried noodle cardboard paper |
| CN116289327A (en) * | 2023-02-02 | 2023-06-23 | 安徽林平循环发展股份有限公司 | Preparation method of regenerated corrugated paper |
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